Home / 1,007,847.99-1,390,340.28-644,980.95

Finding the Fourth Proportional to 1,007,847.99, 1,390,340.28 and 644,980.95

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Solution

The fourth proportional to 1,007,847.99, 1,390,340.28 and 644,980.95 is: 889,760.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,847.99 : 1,390,340.28 = 644,980.95 : x
  2. Step 2: Convert to fraction form
    1,007,847.99/1,390,340.28 = 644,980.95/x
  3. Step 3: Cross multiply
    1,007,847.99x = 1,390,340.28 × 644,980.95
  4. Step 4: Simplify right side
    1,007,847.99x = 896,742,994,617.67
  5. Step 5: Solve for x
    x = 896,742,994,617.67/1,007,847.99
  6. Step 6: Final answer
    x = 889,760.17

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